Trencher tool



FIG. 1 is a perspective view of a trencher tool showing my new design, but shown on a reduced scale;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof the opposite side being a mirror image of that shown;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof;

FIG. 6 is an opposite end elevational view thereof;

FIG. 7 is a vertical cross-sectioinal view thereof, taken along line 7--7 of FIG. 3; and

FIG. 8 is a vertical cross-sectional view thereof, taken along line 8--8 of FIG. 3. 

The ornamental design for a trencher tool, as shown and described. 